diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/ClassResolver.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/ClassResolver.java
index 1a10f282a..33e1cc709 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/ClassResolver.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/ClassResolver.java
@@ -94,21 +94,21 @@ public class ClassResolver {
 
         // See if in the package
         if (pkg != null && !pkg.isEmpty()) {
-            clazz = resolveQualifiedName(pkg + PERIOD + name);
-            if (clazz != null) {
-                return clazz;
+            final Class<?> classFromQualifiedName = resolveQualifiedName(pkg + PERIOD + name);
+            if (classFromQualifiedName != null) {
+                return classFromQualifiedName;
             }
         }
 
         // see if inner class of this class
-        clazz = resolveInnerClass(name, currentClass);
-        if (clazz != null) {
-            return clazz;
+        final Class<?> innerClass = resolveInnerClass(name, currentClass);
+        if (innerClass != null) {
+            return innerClass;
         }
 
-        clazz = resolveByStarImports(name);
-        if (clazz != null) {
-            return clazz;
+        final Class<?> classFromStarImport = resolveByStarImports(name);
+        if (classFromStarImport != null) {
+            return classFromStarImport;
         }
 
         // Giving up, the type is unknown, so load the class to generate an
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheck.java
index 526d63656..da9fcd470 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocMethodCheck.java
@@ -481,7 +481,7 @@ public class JavadocMethodCheck extends AbstractTypeAwareCheck {
             return;
         }
 
-        Iterator<JavadocTag> it = tags.iterator();
+        final Iterator<JavadocTag> it = tags.iterator();
         if (ast.getType() != TokenTypes.ANNOTATION_FIELD_DEF) {
             // Check for inheritDoc
             boolean hasInheritDocTag = false;
@@ -497,9 +497,9 @@ public class JavadocMethodCheck extends AbstractTypeAwareCheck {
         }
 
         // Dump out all unused tags
-        it = tags.iterator();
-        while (it.hasNext()) {
-            final JavadocTag jt = it.next();
+        final Iterator<JavadocTag> unusedTagIt = tags.iterator();
+        while (unusedTagIt.hasNext()) {
+            final JavadocTag jt = unusedTagIt.next();
             if (!jt.isSeeOrInheritDocTag()) {
                 log(jt.getLineNo(), MSG_UNUSED_TAG_GENERAL);
             }
@@ -921,7 +921,7 @@ public class JavadocMethodCheck extends AbstractTypeAwareCheck {
         ExceptionInfo foundException = null;
 
         // First look for matches on the exception name
-        ListIterator<ExceptionInfo> throwIt = throwsList.listIterator();
+        final ListIterator<ExceptionInfo> throwIt = throwsList.listIterator();
         while (!found && throwIt.hasNext()) {
             final ExceptionInfo ei = throwIt.next();
 
@@ -933,9 +933,9 @@ public class JavadocMethodCheck extends AbstractTypeAwareCheck {
         }
 
         // Now match on the exception type
-        throwIt = throwsList.listIterator();
-        while (!found && throwIt.hasNext()) {
-            final ExceptionInfo ei = throwIt.next();
+        final ListIterator<ExceptionInfo> exceptionInfoIt = throwsList.listIterator();
+        while (!found && exceptionInfoIt.hasNext()) {
+            final ExceptionInfo ei = exceptionInfoIt.next();
 
             if (documentedCI.getClazz() == ei.getClazz()) {
                 found = true;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/TagParser.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/TagParser.java
index d28cc4d33..0f52a65a3 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/TagParser.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/TagParser.java
@@ -171,17 +171,17 @@ class TagParser {
         }
 
         text = text.substring(column).trim();
-        column = 0;
+        int position = 0;
 
         //Character.isJavidentifier... may not be a valid HTML
         //identifier but is valid for generics
-        while (column < text.length()
-            && (Character.isJavaIdentifierStart(text.charAt(column))
-                || Character.isJavaIdentifierPart(text.charAt(column)))) {
-            column++;
+        while (position < text.length()
+            && (Character.isJavaIdentifierStart(text.charAt(position))
+                || Character.isJavaIdentifierPart(text.charAt(position)))) {
+            position++;
         }
 
-        return text.substring(0, column);
+        return text.substring(0, position);
     }
 
     /**
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java
index b14635f90..e39bb7b9a 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/ParenPadCheck.java
@@ -158,13 +158,13 @@ public class ParenPadCheck extends AbstractParenPadCheck {
      * @param ast the token to check.
      */
     private void visitLiteralFor(DetailAST ast) {
-        DetailAST parenAst = ast.findFirstToken(TokenTypes.LPAREN);
-        if (!isPrecedingEmptyForInit(parenAst)) {
-            processLeft(parenAst);
+        final DetailAST lparen = ast.findFirstToken(TokenTypes.LPAREN);
+        if (!isPrecedingEmptyForInit(lparen)) {
+            processLeft(lparen);
         }
-        parenAst = ast.findFirstToken(TokenTypes.RPAREN);
-        if (!isFollowsEmptyForIterator(parenAst)) {
-            processRight(parenAst);
+        final DetailAST rparen = ast.findFirstToken(TokenTypes.RPAREN);
+        if (!isFollowsEmptyForIterator(rparen)) {
+            processRight(rparen);
         }
     }